Remove TorchScript part from the Saving and Loading tutorial #4639

Job	Run time
pytorch_tutorial_build_worker (4, 15, linux.g5.4xlarge.nvidia.gpu)	14m 36s
pytorch_tutorial_build_worker (1, 15, linux.g5.12xlarge.nvidia.gpu)	15m 33s
pytorch_tutorial_build_worker (2, 15, linux.g5.4xlarge.nvidia.gpu)	41m 3s
pytorch_tutorial_build_worker (7, 15, linux.g5.4xlarge.nvidia.gpu)	17m 21s
pytorch_tutorial_build_worker (3, 15, linux.g5.4xlarge.nvidia.gpu)	21m 43s
pytorch_tutorial_build_worker (9, 15, linux.g5.4xlarge.nvidia.gpu)	17m 15s
pytorch_tutorial_build_worker (8, 15, linux.g5.4xlarge.nvidia.gpu)	15m 49s
pytorch_tutorial_build_worker (10, 15, linux.g5.4xlarge.nvidia.gpu)	17m 59s
pytorch_tutorial_build_worker (6, 15, linux.g5.4xlarge.nvidia.gpu)	25m 21s
pytorch_tutorial_build_worker (15, 15, linux.g5.4xlarge.nvidia.gpu)	16m 52s
pytorch_tutorial_build_worker (14, 15, linux.g5.4xlarge.nvidia.gpu)	24m 7s
pytorch_tutorial_build_worker (11, 15, linux.g5.4xlarge.nvidia.gpu)	31m 25s
pytorch_tutorial_build_worker (5, 15, linux.g5.4xlarge.nvidia.gpu)	22m 45s
pytorch_tutorial_build_worker (12, 15, linux.g5.4xlarge.nvidia.gpu)	17m 8s
pytorch_tutorial_build_worker (13, 15, linux.g5.4xlarge.nvidia.gpu)	35m 22s
pytorch_tutorial_build_manager	23m 24s
	5h 57m 43s

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